/**
 * Copyright 2019 LinkedIn Corp. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */
package com.github.ambry.commons;

/**
 * The indices used to evaluate performance of single request.
 */
public enum PerformanceIndex {
  /**
   * Time duration in milliseconds from request arrival to the first byte of response being received.
   */
  TimeToFirstByte,
  /**
   * Time duration in milliseconds from request arrival to its fully completion.
   */
  RoundTripTime,
  /**
   * Average speed of data being transmitted (bytes/sec).
   */
  AverageBandwidth
}
